Home / 7,445.85-10,274.64-4,088.67

Finding the Fourth Proportional to 7,445.85, 10,274.64 and 4,088.67

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Solution

The fourth proportional to 7,445.85, 10,274.64 and 4,088.67 is: 5,642.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.85 : 10,274.64 = 4,088.67 : x
  2. Step 2: Convert to fraction form
    7,445.85/10,274.64 = 4,088.67/x
  3. Step 3: Cross multiply
    7,445.85x = 10,274.64 × 4,088.67
  4. Step 4: Simplify right side
    7,445.85x = 42,009,612.33
  5. Step 5: Solve for x
    x = 42,009,612.33/7,445.85
  6. Step 6: Final answer
    x = 5,642.02

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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.