Home / 4,812.91-6,641.81-2,925.10

Finding the Fourth Proportional to 4,812.91, 6,641.81 and 2,925.10

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Solution

The fourth proportional to 4,812.91, 6,641.81 and 2,925.10 is: 4,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.91 : 6,641.81 = 2,925.10 : x
  2. Step 2: Convert to fraction form
    4,812.91/6,641.81 = 2,925.10/x
  3. Step 3: Cross multiply
    4,812.91x = 6,641.81 × 2,925.10
  4. Step 4: Simplify right side
    4,812.91x = 19,427,979.53
  5. Step 5: Solve for x
    x = 19,427,979.53/4,812.91
  6. Step 6: Final answer
    x = 4,036.64

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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.