Home / 7,547.94-10,417.40-4,191.82

Finding the Fourth Proportional to 7,547.94, 10,417.40 and 4,191.82

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Solution

The fourth proportional to 7,547.94, 10,417.40 and 4,191.82 is: 5,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.94 : 10,417.40 = 4,191.82 : x
  2. Step 2: Convert to fraction form
    7,547.94/10,417.40 = 4,191.82/x
  3. Step 3: Cross multiply
    7,547.94x = 10,417.40 × 4,191.82
  4. Step 4: Simplify right side
    7,547.94x = 43,667,865.67
  5. Step 5: Solve for x
    x = 43,667,865.67/7,547.94
  6. Step 6: Final answer
    x = 5,785.40

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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.