Home / 1,511.32-2,086.14-1,044.76

Finding the Fourth Proportional to 1,511.32, 2,086.14 and 1,044.76

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Solution

The fourth proportional to 1,511.32, 2,086.14 and 1,044.76 is: 1,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.32 : 2,086.14 = 1,044.76 : x
  2. Step 2: Convert to fraction form
    1,511.32/2,086.14 = 1,044.76/x
  3. Step 3: Cross multiply
    1,511.32x = 2,086.14 × 1,044.76
  4. Step 4: Simplify right side
    1,511.32x = 2,179,515.63
  5. Step 5: Solve for x
    x = 2,179,515.63/1,511.32
  6. Step 6: Final answer
    x = 1,442.13

Related Problems

Find fourth proportional to 755.66, 1,043.07 and 522.38
Half scale
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Double scale
Find fourth proportional to 1,512.32, 2,087.52 and 1,045.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.