Home / 6,280.08-8,666.12-3,485.52

Finding the Fourth Proportional to 6,280.08, 8,666.12 and 3,485.52

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Solution

The fourth proportional to 6,280.08, 8,666.12 and 3,485.52 is: 4,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.08 : 8,666.12 = 3,485.52 : x
  2. Step 2: Convert to fraction form
    6,280.08/8,666.12 = 3,485.52/x
  3. Step 3: Cross multiply
    6,280.08x = 8,666.12 × 3,485.52
  4. Step 4: Simplify right side
    6,280.08x = 30,205,934.58
  5. Step 5: Solve for x
    x = 30,205,934.58/6,280.08
  6. Step 6: Final answer
    x = 4,809.80

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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.