Home / 5,700.08-7,870.56-4,371.68

Finding the Fourth Proportional to 5,700.08, 7,870.56 and 4,371.68

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Solution

The fourth proportional to 5,700.08, 7,870.56 and 4,371.68 is: 6,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,700.08 : 7,870.56 = 4,371.68 : x
  2. Step 2: Convert to fraction form
    5,700.08/7,870.56 = 4,371.68/x
  3. Step 3: Cross multiply
    5,700.08x = 7,870.56 × 4,371.68
  4. Step 4: Simplify right side
    5,700.08x = 34,407,569.74
  5. Step 5: Solve for x
    x = 34,407,569.74/5,700.08
  6. Step 6: Final answer
    x = 6,036.33

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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.