Home / 7,448.95-10,278.43-4,261.74

Finding the Fourth Proportional to 7,448.95, 10,278.43 and 4,261.74

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Solution

The fourth proportional to 7,448.95, 10,278.43 and 4,261.74 is: 5,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.95 : 10,278.43 = 4,261.74 : x
  2. Step 2: Convert to fraction form
    7,448.95/10,278.43 = 4,261.74/x
  3. Step 3: Cross multiply
    7,448.95x = 10,278.43 × 4,261.74
  4. Step 4: Simplify right side
    7,448.95x = 43,803,944.88
  5. Step 5: Solve for x
    x = 43,803,944.88/7,448.95
  6. Step 6: Final answer
    x = 5,880.56

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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.