Home / 7,871.41-10,859.29-4,684.07

Finding the Fourth Proportional to 7,871.41, 10,859.29 and 4,684.07

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Solution

The fourth proportional to 7,871.41, 10,859.29 and 4,684.07 is: 6,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,871.41 : 10,859.29 = 4,684.07 : x
  2. Step 2: Convert to fraction form
    7,871.41/10,859.29 = 4,684.07/x
  3. Step 3: Cross multiply
    7,871.41x = 10,859.29 × 4,684.07
  4. Step 4: Simplify right side
    7,871.41x = 50,865,674.51
  5. Step 5: Solve for x
    x = 50,865,674.51/7,871.41
  6. Step 6: Final answer
    x = 6,462.08

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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.