Home / 5,423.60-8,127.30-4,597.40

Finding the Fourth Proportional to 5,423.60, 8,127.30 and 4,597.40

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Solution

The fourth proportional to 5,423.60, 8,127.30 and 4,597.40 is: 6,889.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.60 : 8,127.30 = 4,597.40 : x
  2. Step 2: Convert to fraction form
    5,423.60/8,127.30 = 4,597.40/x
  3. Step 3: Cross multiply
    5,423.60x = 8,127.30 × 4,597.40
  4. Step 4: Simplify right side
    5,423.60x = 37,364,449.02
  5. Step 5: Solve for x
    x = 37,364,449.02/5,423.60
  6. Step 6: Final answer
    x = 6,889.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.