Home / 5,628.77-8,437.49-2,705.48

Finding the Fourth Proportional to 5,628.77, 8,437.49 and 2,705.48

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Solution

The fourth proportional to 5,628.77, 8,437.49 and 2,705.48 is: 4,055.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.77 : 8,437.49 = 2,705.48 : x
  2. Step 2: Convert to fraction form
    5,628.77/8,437.49 = 2,705.48/x
  3. Step 3: Cross multiply
    5,628.77x = 8,437.49 × 2,705.48
  4. Step 4: Simplify right side
    5,628.77x = 22,827,478.16
  5. Step 5: Solve for x
    x = 22,827,478.16/5,628.77
  6. Step 6: Final answer
    x = 4,055.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.