Home / 7,690.41-10,613.40-4,461.33

Finding the Fourth Proportional to 7,690.41, 10,613.40 and 4,461.33

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Solution

The fourth proportional to 7,690.41, 10,613.40 and 4,461.33 is: 6,157.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.41 : 10,613.40 = 4,461.33 : x
  2. Step 2: Convert to fraction form
    7,690.41/10,613.40 = 4,461.33/x
  3. Step 3: Cross multiply
    7,690.41x = 10,613.40 × 4,461.33
  4. Step 4: Simplify right side
    7,690.41x = 47,349,879.82
  5. Step 5: Solve for x
    x = 47,349,879.82/7,690.41
  6. Step 6: Final answer
    x = 6,157.00

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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.