Home / 4,047.76-6,071.64-1,126.29

Finding the Fourth Proportional to 4,047.76, 6,071.64 and 1,126.29

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Solution

The fourth proportional to 4,047.76, 6,071.64 and 1,126.29 is: 1,689.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.76 : 6,071.64 = 1,126.29 : x
  2. Step 2: Convert to fraction form
    4,047.76/6,071.64 = 1,126.29/x
  3. Step 3: Cross multiply
    4,047.76x = 6,071.64 × 1,126.29
  4. Step 4: Simplify right side
    4,047.76x = 6,838,427.42
  5. Step 5: Solve for x
    x = 6,838,427.42/4,047.76
  6. Step 6: Final answer
    x = 1,689.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.