Home / 5,970.48-8,240.02-3,612.64

Finding the Fourth Proportional to 5,970.48, 8,240.02 and 3,612.64

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Solution

The fourth proportional to 5,970.48, 8,240.02 and 3,612.64 is: 4,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.48 : 8,240.02 = 3,612.64 : x
  2. Step 2: Convert to fraction form
    5,970.48/8,240.02 = 3,612.64/x
  3. Step 3: Cross multiply
    5,970.48x = 8,240.02 × 3,612.64
  4. Step 4: Simplify right side
    5,970.48x = 29,768,225.85
  5. Step 5: Solve for x
    x = 29,768,225.85/5,970.48
  6. Step 6: Final answer
    x = 4,985.90

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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.