Home / 5,920.08-8,871.65-4,347.74

Finding the Fourth Proportional to 5,920.08, 8,871.65 and 4,347.74

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Solution

The fourth proportional to 5,920.08, 8,871.65 and 4,347.74 is: 6,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.08 : 8,871.65 = 4,347.74 : x
  2. Step 2: Convert to fraction form
    5,920.08/8,871.65 = 4,347.74/x
  3. Step 3: Cross multiply
    5,920.08x = 8,871.65 × 4,347.74
  4. Step 4: Simplify right side
    5,920.08x = 38,571,644.32
  5. Step 5: Solve for x
    x = 38,571,644.32/5,920.08
  6. Step 6: Final answer
    x = 6,515.40

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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.