Home / 5,659.95-7,809.75-3,535.10

Finding the Fourth Proportional to 5,659.95, 7,809.75 and 3,535.10

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Solution

The fourth proportional to 5,659.95, 7,809.75 and 3,535.10 is: 4,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.95 : 7,809.75 = 3,535.10 : x
  2. Step 2: Convert to fraction form
    5,659.95/7,809.75 = 3,535.10/x
  3. Step 3: Cross multiply
    5,659.95x = 7,809.75 × 3,535.10
  4. Step 4: Simplify right side
    5,659.95x = 27,608,208.18
  5. Step 5: Solve for x
    x = 27,608,208.18/5,659.95
  6. Step 6: Final answer
    x = 4,877.82

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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.