Home / 4,742.15-6,541.47-2,970.68

Finding the Fourth Proportional to 4,742.15, 6,541.47 and 2,970.68

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Solution

The fourth proportional to 4,742.15, 6,541.47 and 2,970.68 is: 4,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.15 : 6,541.47 = 2,970.68 : x
  2. Step 2: Convert to fraction form
    4,742.15/6,541.47 = 2,970.68/x
  3. Step 3: Cross multiply
    4,742.15x = 6,541.47 × 2,970.68
  4. Step 4: Simplify right side
    4,742.15x = 19,432,614.10
  5. Step 5: Solve for x
    x = 19,432,614.10/4,742.15
  6. Step 6: Final answer
    x = 4,097.85

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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.