Home / 7,295.40-10,065.78-4,422.60

Finding the Fourth Proportional to 7,295.40, 10,065.78 and 4,422.60

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Solution

The fourth proportional to 7,295.40, 10,065.78 and 4,422.60 is: 6,102.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.40 : 10,065.78 = 4,422.60 : x
  2. Step 2: Convert to fraction form
    7,295.40/10,065.78 = 4,422.60/x
  3. Step 3: Cross multiply
    7,295.40x = 10,065.78 × 4,422.60
  4. Step 4: Simplify right side
    7,295.40x = 44,516,918.63
  5. Step 5: Solve for x
    x = 44,516,918.63/7,295.40
  6. Step 6: Final answer
    x = 6,102.05

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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.