Home / 4,970.08-6,857.76-3,397.60

Finding the Fourth Proportional to 4,970.08, 6,857.76 and 3,397.60

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Solution

The fourth proportional to 4,970.08, 6,857.76 and 3,397.60 is: 4,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.08 : 6,857.76 = 3,397.60 : x
  2. Step 2: Convert to fraction form
    4,970.08/6,857.76 = 3,397.60/x
  3. Step 3: Cross multiply
    4,970.08x = 6,857.76 × 3,397.60
  4. Step 4: Simplify right side
    4,970.08x = 23,299,925.38
  5. Step 5: Solve for x
    x = 23,299,925.38/4,970.08
  6. Step 6: Final answer
    x = 4,688.04

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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.