Home / 5,475.53-7,547.36-4,278.43

Finding the Fourth Proportional to 5,475.53, 7,547.36 and 4,278.43

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Solution

The fourth proportional to 5,475.53, 7,547.36 and 4,278.43 is: 5,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.53 : 7,547.36 = 4,278.43 : x
  2. Step 2: Convert to fraction form
    5,475.53/7,547.36 = 4,278.43/x
  3. Step 3: Cross multiply
    5,475.53x = 7,547.36 × 4,278.43
  4. Step 4: Simplify right side
    5,475.53x = 32,290,792.32
  5. Step 5: Solve for x
    x = 32,290,792.32/5,475.53
  6. Step 6: Final answer
    x = 5,897.29

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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.