Home / 7,518.79-10,375.85-4,495.30

Finding the Fourth Proportional to 7,518.79, 10,375.85 and 4,495.30

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Solution

The fourth proportional to 7,518.79, 10,375.85 and 4,495.30 is: 6,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.79 : 10,375.85 = 4,495.30 : x
  2. Step 2: Convert to fraction form
    7,518.79/10,375.85 = 4,495.30/x
  3. Step 3: Cross multiply
    7,518.79x = 10,375.85 × 4,495.30
  4. Step 4: Simplify right side
    7,518.79x = 46,642,558.51
  5. Step 5: Solve for x
    x = 46,642,558.51/7,518.79
  6. Step 6: Final answer
    x = 6,203.47

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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.