Home / 3,547.91-4,894.65-2,288.69

Finding the Fourth Proportional to 3,547.91, 4,894.65 and 2,288.69

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Solution

The fourth proportional to 3,547.91, 4,894.65 and 2,288.69 is: 3,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.91 : 4,894.65 = 2,288.69 : x
  2. Step 2: Convert to fraction form
    3,547.91/4,894.65 = 2,288.69/x
  3. Step 3: Cross multiply
    3,547.91x = 4,894.65 × 2,288.69
  4. Step 4: Simplify right side
    3,547.91x = 11,202,336.51
  5. Step 5: Solve for x
    x = 11,202,336.51/3,547.91
  6. Step 6: Final answer
    x = 3,157.45

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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.