Home / 5,657.15-7,805.85-3,417.53

Finding the Fourth Proportional to 5,657.15, 7,805.85 and 3,417.53

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Solution

The fourth proportional to 5,657.15, 7,805.85 and 3,417.53 is: 4,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.15 : 7,805.85 = 3,417.53 : x
  2. Step 2: Convert to fraction form
    5,657.15/7,805.85 = 3,417.53/x
  3. Step 3: Cross multiply
    5,657.15x = 7,805.85 × 3,417.53
  4. Step 4: Simplify right side
    5,657.15x = 26,676,687.52
  5. Step 5: Solve for x
    x = 26,676,687.52/5,657.15
  6. Step 6: Final answer
    x = 4,715.57

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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.