Home / 5,442.16-7,513.38-4,180.74

Finding the Fourth Proportional to 5,442.16, 7,513.38 and 4,180.74

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Solution

The fourth proportional to 5,442.16, 7,513.38 and 4,180.74 is: 5,771.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.16 : 7,513.38 = 4,180.74 : x
  2. Step 2: Convert to fraction form
    5,442.16/7,513.38 = 4,180.74/x
  3. Step 3: Cross multiply
    5,442.16x = 7,513.38 × 4,180.74
  4. Step 4: Simplify right side
    5,442.16x = 31,411,429.83
  5. Step 5: Solve for x
    x = 31,411,429.83/5,442.16
  6. Step 6: Final answer
    x = 5,771.87

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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.