Home / 7,445.95-10,275.57-4,088.77

Finding the Fourth Proportional to 7,445.95, 10,275.57 and 4,088.77

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Solution

The fourth proportional to 7,445.95, 10,275.57 and 4,088.77 is: 5,642.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.95 : 10,275.57 = 4,088.77 : x
  2. Step 2: Convert to fraction form
    7,445.95/10,275.57 = 4,088.77/x
  3. Step 3: Cross multiply
    7,445.95x = 10,275.57 × 4,088.77
  4. Step 4: Simplify right side
    7,445.95x = 42,014,442.35
  5. Step 5: Solve for x
    x = 42,014,442.35/7,445.95
  6. Step 6: Final answer
    x = 5,642.59

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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.