Home / 5,461.18-7,527.60-3,689.68

Finding the Fourth Proportional to 5,461.18, 7,527.60 and 3,689.68

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Solution

The fourth proportional to 5,461.18, 7,527.60 and 3,689.68 is: 5,085.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.18 : 7,527.60 = 3,689.68 : x
  2. Step 2: Convert to fraction form
    5,461.18/7,527.60 = 3,689.68/x
  3. Step 3: Cross multiply
    5,461.18x = 7,527.60 × 3,689.68
  4. Step 4: Simplify right side
    5,461.18x = 27,774,435.17
  5. Step 5: Solve for x
    x = 27,774,435.17/5,461.18
  6. Step 6: Final answer
    x = 5,085.79

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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.