Home / 7,090.16-9,782.92-4,106.48

Finding the Fourth Proportional to 7,090.16, 9,782.92 and 4,106.48

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Solution

The fourth proportional to 7,090.16, 9,782.92 and 4,106.48 is: 5,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.16 : 9,782.92 = 4,106.48 : x
  2. Step 2: Convert to fraction form
    7,090.16/9,782.92 = 4,106.48/x
  3. Step 3: Cross multiply
    7,090.16x = 9,782.92 × 4,106.48
  4. Step 4: Simplify right side
    7,090.16x = 40,173,365.32
  5. Step 5: Solve for x
    x = 40,173,365.32/7,090.16
  6. Step 6: Final answer
    x = 5,666.07

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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.