Home / 7,287.60-10,931.74-2,357.63

Finding the Fourth Proportional to 7,287.60, 10,931.74 and 2,357.63

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Solution

The fourth proportional to 7,287.60, 10,931.74 and 2,357.63 is: 3,536.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.60 : 10,931.74 = 2,357.63 : x
  2. Step 2: Convert to fraction form
    7,287.60/10,931.74 = 2,357.63/x
  3. Step 3: Cross multiply
    7,287.60x = 10,931.74 × 2,357.63
  4. Step 4: Simplify right side
    7,287.60x = 25,772,961.13
  5. Step 5: Solve for x
    x = 25,772,961.13/7,287.60
  6. Step 6: Final answer
    x = 3,536.55

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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.