Home / 3,116.32-4,648.95-3,031.58

Finding the Fourth Proportional to 3,116.32, 4,648.95 and 3,031.58

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Solution

The fourth proportional to 3,116.32, 4,648.95 and 3,031.58 is: 4,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.32 : 4,648.95 = 3,031.58 : x
  2. Step 2: Convert to fraction form
    3,116.32/4,648.95 = 3,031.58/x
  3. Step 3: Cross multiply
    3,116.32x = 4,648.95 × 3,031.58
  4. Step 4: Simplify right side
    3,116.32x = 14,093,663.84
  5. Step 5: Solve for x
    x = 14,093,663.84/3,116.32
  6. Step 6: Final answer
    x = 4,522.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.