Home / 7,904.52-10,908.30-4,547.55

Finding the Fourth Proportional to 7,904.52, 10,908.30 and 4,547.55

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Solution

The fourth proportional to 7,904.52, 10,908.30 and 4,547.55 is: 6,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.52 : 10,908.30 = 4,547.55 : x
  2. Step 2: Convert to fraction form
    7,904.52/10,908.30 = 4,547.55/x
  3. Step 3: Cross multiply
    7,904.52x = 10,908.30 × 4,547.55
  4. Step 4: Simplify right side
    7,904.52x = 49,606,039.67
  5. Step 5: Solve for x
    x = 49,606,039.67/7,904.52
  6. Step 6: Final answer
    x = 6,275.65

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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.