Home / 4,744.79-6,547.77-2,620.45

Finding the Fourth Proportional to 4,744.79, 6,547.77 and 2,620.45

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Solution

The fourth proportional to 4,744.79, 6,547.77 and 2,620.45 is: 3,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.79 : 6,547.77 = 2,620.45 : x
  2. Step 2: Convert to fraction form
    4,744.79/6,547.77 = 2,620.45/x
  3. Step 3: Cross multiply
    4,744.79x = 6,547.77 × 2,620.45
  4. Step 4: Simplify right side
    4,744.79x = 17,158,103.90
  5. Step 5: Solve for x
    x = 17,158,103.90/4,744.79
  6. Step 6: Final answer
    x = 3,616.20

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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.