Home / 5,931.40-8,184.18-4,160.20

Finding the Fourth Proportional to 5,931.40, 8,184.18 and 4,160.20

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Solution

The fourth proportional to 5,931.40, 8,184.18 and 4,160.20 is: 5,740.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.40 : 8,184.18 = 4,160.20 : x
  2. Step 2: Convert to fraction form
    5,931.40/8,184.18 = 4,160.20/x
  3. Step 3: Cross multiply
    5,931.40x = 8,184.18 × 4,160.20
  4. Step 4: Simplify right side
    5,931.40x = 34,047,825.64
  5. Step 5: Solve for x
    x = 34,047,825.64/5,931.40
  6. Step 6: Final answer
    x = 5,740.27

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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.